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Finding the Fourth Proportional to 7,296.32, 10,927.20 and 5,752.64

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Solution

The fourth proportional to 7,296.32, 10,927.20 and 5,752.64 is: 8,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296.32 : 10,927.20 = 5,752.64 : x
  2. Step 2: Convert to fraction form
    7,296.32/10,927.20 = 5,752.64/x
  3. Step 3: Cross multiply
    7,296.32x = 10,927.20 × 5,752.64
  4. Step 4: Simplify right side
    7,296.32x = 62,860,247.81
  5. Step 5: Solve for x
    x = 62,860,247.81/7,296.32
  6. Step 6: Final answer
    x = 8,615.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.